Editing 2849: Under the Stars
Revision as of 16:46, 1 November 2023 by Pere prlpz (talk | contribs) ({{w|V404 Cygni}} is a binary system composed of a 9 solar masses black hole and a star smaller than the Sun. With a {{w|declination}} of +33° 52′ 02.0″, once a day it is overhead any point of Earth with that latitude North.)
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